1 files changed, 13 insertions, 1 deletions
diff --git a/erlang.mk b/erlang.mk
index fd7f0fd..9d6caf9 100644
--- a/erlang.mk
+++ b/erlang.mk
@@ -12,7 +12,7 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-.PHONY: all deps app rel docs tests clean distclean help
+.PHONY: all deps app rel docs tests clean distclean help erlang-mk
 
 ERLANG_MK_VERSION = 1
 
@@ -72,6 +72,18 @@ define core_http_get
 endef
 endif
 
+# Automated update.
+
+ERLANG_MK_BUILD_CONFIG ?= build.config
+ERLANG_MK_BUILD_DIR ?= .erlang.mk.build
+
+erlang-mk:
+	git clone https://github.com/ninenines/erlang.mk $(ERLANG_MK_BUILD_DIR)
+	if [ -f $(ERLANG_MK_BUILD_CONFIG) ]; then cp $(ERLANG_MK_BUILD_CONFIG) $(ERLANG_MK_BUILD_DIR); fi
+	cd $(ERLANG_MK_BUILD_DIR) && make
+	cp $(ERLANG_MK_BUILD_DIR)/erlang.mk ./erlang.mk
+	rm -rf $(ERLANG_MK_BUILD_DIR)
+
 # Copyright (c) 2013-2014, Loïc Hoguin <[email protected]>
 # This file is part of erlang.mk and subject to the terms of the ISC License.